Recirculating delay line true time delay phased array antenna system for pulsed signals
First Claim
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1. A system for transmitting a radar signal from a phased array antenna having a plurality of elements, said system comprising:
- exciter means for generating a pulsed signal;
divider means for dividing the pulsed signal for application to each element; and
recirculating feedback delay means coupled to each element for variably delaying the transmission of said divided pulsed signal to each of said antenna array elements.
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Abstract
A system for introducing true time delays in a phased array antenna for pulsed signals comprising an active, recirculating delay time system which is selectively activated to introduce variable delays in the signal path between the signal transceiver and the individual antenna array elements.
87 Citations
17 Claims
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1. A system for transmitting a radar signal from a phased array antenna having a plurality of elements, said system comprising:
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exciter means for generating a pulsed signal; divider means for dividing the pulsed signal for application to each element; and recirculating feedback delay means coupled to each element for variably delaying the transmission of said divided pulsed signal to each of said antenna array elements. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A phased array antenna system having a plurality of elements for transmitting and receiving pulsed RF signals, said system comprising:
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exciter means for generating a pulsed signal; divider means for dividing the pulsed signal for application to each element; selection means for selecting whether said system transmits or receives said pulsed signal; and recirculating feedback delay means, coupled to each element and connected to said selection means, for variably delaying the transmission of said divided pulsed signal to and from each of said antenna array elements. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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Specification